NPPES file of Aug 9, 2026

Michael Chang, DDS

General Practice Dentistry · Happy Valley, OR

Michael Chang, DDS is a general practice dentistry with a practice address in Happy Valley, Oregon, and NPI 1386665834, issued on Jul 21, 2006. Check the license (Oregon D8405, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386665834
Name
Michael Chang
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
D8405 OR
Self-reported in NPPES; status is on the state search
Practice location
11125 SE Troika Ave, Happy Valley, OR 97086
Phone
(506) 914-7204
Enumerated
Jul 21, 2006
Record last updated
Apr 10, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Michael Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license D8405
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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46% fewer Medicare Part D claims than the average general practice dentistry in 2024

45 Medicare Part D claims for 36 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Chang45
  2. Specialty average83

Most prescribed

  1. Fluoridex15 claims
  2. Chlorhexidine Gluconate14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $104.88

1 payment: food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Chang$104.88
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

9 general practice dentistry records list a practice address in Happy Valley

They are 9 of the 387 NPPES records with a practice address in Happy Valley, and 1,888 general practice dentistry records in Oregon.

Other general practice dentistry records in Oregon

  1. Benjamin Aanderud, DMDSherwood, OR1366443574
  2. Steven Abbott, DMDVeneta, OR1417918780
  3. Ruth Abraham, DDSKeizer, OR1356449599
  4. Jesse AchatzWilsonville, OR1730661794
  5. Dennis Adair, D.M.D.Gladstone, OR1215235148
  6. Anthony Adams, D.M.DAloha, OR1295129104
  7. Brannick Adams, D.D.S.Roseburg, OR1376577700
  8. Lisa Adams, DMDBend, OR1952308017
  9. Nima AfsariMedford, OR1447669171
  10. Darioush AfsharSalem, OR1306226782

Common questions

What is Michael Chang, DDS's NPI number?

Michael Chang, DDS's National Provider Identifier (NPI) is 1386665834, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Chang, DDS located?

The NPPES record lists a practice address at 11125 SE Troika Ave, Happy Valley, OR, 97086. Phone: (506) 914-7204. Providers update this record themselves, so call before visiting.

How can I verify Michael Chang, DDS's license?

NPPES lists Oregon license number D8405, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Chang, DDS prescribe under Medicare Part D?

In 2024, Michael Chang, DDS had 45 Medicare Part D claims for 36 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.